Home / 10,403.04-14,355.88-5,687.32

Finding the Fourth Proportional to 10,403.04, 14,355.88 and 5,687.32

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Solution

The fourth proportional to 10,403.04, 14,355.88 and 5,687.32 is: 7,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.04 : 14,355.88 = 5,687.32 : x
  2. Step 2: Convert to fraction form
    10,403.04/14,355.88 = 5,687.32/x
  3. Step 3: Cross multiply
    10,403.04x = 14,355.88 × 5,687.32
  4. Step 4: Simplify right side
    10,403.04x = 81,646,483.44
  5. Step 5: Solve for x
    x = 81,646,483.44/10,403.04
  6. Step 6: Final answer
    x = 7,848.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.